Amazon.com : POLAR Pacer Pro - Advanced GPS Sports Watch, Wrist Heart Rate Monitor, Smart Watch for Men and Women, Workout Running Watch, Training Program & Health Recovery Tools, Sleep Monitor &
Amazon.com: Polar G1 GPS Speed and Distance Sensor for FT60 / FT80 : Electronics
Amazon.com : Polar Vantage V Titan - Sports Watch with HRM H10 Chest Strap for Multisport and Triathlon Training with GPS, Heart Rate Monitor, Waterproof : Sports & Outdoors
Amazon.com : POLAR VANTAGE M –Advanced Running & Multisport Watch with GPS and Wrist-based Heart Rate (Lightweight Design & Latest Technology), Black, M-L : Sports & Outdoors